20185890 (number)

20185890 is an even 8-digits composite number following 20185889 and preceding 20185891. In scientific notation, it is written as 2.0185890 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 5382896 positive integers (up to 20185890) that are relatively prime to 20185890.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-five thousand eight hundred ninety

Notation

Scientific notation 2.0185890 × 10^7
Engineering notation 2.0185890 × 10^6

Prime Factorization of 20185890

Prime Factorization 2 × 3 × 5 × 672863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20185890
Product of the distinct prime numbers

The prime factorization of 20185890 is 2 × 3 × 5 × 672863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 30, 20, 678, 951, 6282, 3628, 86664, 25982, 601715, 524659, 9426391, 3866784, 84631479, 96892328, 31090259, 984862553, 9221699607, 7492772367

Basic calculations (n = 20185890)

Multiplication

n×y
n×2 40371780
n×3 60557670
n×4 80743560
n×5 100929450

Division

n÷y
n÷2 10092945
n÷3 6728630
n÷3 5046472.5
n÷5 4037178

Exponentiation

ny
n2 407470155092100
n3 8.2251477289721E+21
n4 1.6603192729078E+29
n5 3.3515022207797E+36

Nth Root

y√n
2√n 4492.8710197378
3√n 272.28014137739
4√n 67.028881981858
5√n 28.907436509602

Divisors of 20185890

1, 2, 3, 5, 6, 10, 15, 30, 672863, 1345726, 2018589, 3364315, 4037178, 6728630, 10092945, 20185890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20185889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20185890 can be divided by 16 positive divisors. The sum of these divisors (counting 20185890) is 1, the average is 0.0625.

Base conversion 20185890

Base System Value
2 Binary 1001101000000001100100010
3 Ternary 1101222112211120
4 Quaternary 1031000030202
5 Quinary 20131422030
6 Senary 2000353110
8 Octal 115001442
10 Decimal 20185890
12 Duodecimal 6915796
16 Hexadecimal 1340322
20 Vigesimal 6634ea
36 Base36 c0nj6

Cryptographic Hash Functions

md5 9b66daf4a940e2551c341deae5247fca
sha1 544c6e324efce9a13b7717a1d85e9c883d1c795b
sha256 c31f590b53a877ad4c0f160da687d50aa5ded32e7670fca6ddb5813f65264ef1
sha512 cfbfb447d7fdb34cb271c4e5a412d6b32bf8d454f906252989edf785c82a2e18e56ff9a8f8e2ee5d8e108297a8c3b098a2a820ba0f727bbe251997bc12e0b666
ripemd-160 b51e491c523116ef7661dd1164825001fb490cf5

20185890 as geometric shapes

Circle

Radius = n
Diameter 40371780
Circumference 126831687.46034
Area 1.2801052457944E+15

Sphere

Radius = n
Volume 3.4453418240039E+22
Surface area 5.1204209831777E+15
Circumference 126831687.46034

Square

Length = n
Perimeter 80743560
Area 407470155092100
Diagonal 28547159.406571

Cube

Length = n
Surface area 2444820930552600
Volume 8.2251477289721E+21
Space diagonal 34962987.075997

Equilateral Triangle

Length = n
Perimeter 60557670
Area 1.7643975279687E+14
Altitude 17481493.537998

Triangular Pyramid

Length = n
Surface area 1.7643975279687E+14
Volume 9.6934295590288E+20
Height 9515719.8021905